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pH of saliva is :...

pH of saliva is :

A

Heat the solution in the test tube and expsoe the pH paper to the vapour formed.

B

Pour solution from the test tube on pH paper

C

drop of pH paper into the solution

D

add a drop of solution on the pH using a dropper.

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. The following solutions were tested for their pH value of by using pH ...

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  2. The colour of pH strip turned red when it was dipped in a sample, the ...

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  3. pH of saliva is :

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  4. Label 1 and 2 in the given figure.

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  5. On putting a few drops of an unknown liquid on the pH strip, the colou...

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  6. A student was given three samples containing hydrochloric acid, sodium...

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  7. Which of the following chemical properties are shown in dilute hydroch...

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  8. On adding methyl orange to a solution A it imparts a pink colourand on...

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  9. Quick lime is

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  10. Identify the colour changes in pH paper when a drop of a sample, which...

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  11. When a few drops of universal indicator were added to a dilute solutio...

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  12. If HCl is added to distilled water, the pH of new solution will be:

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  13. Two solutions A and B have pH of 6 and 9 respectively. Which solution ...

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  14. The pH value of a sample of hydrochlroic acid is 2, pH value of this s...

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  15. The products of reaction between zinc and sodium hydroxide solution ar...

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  16. Find the mode of the following distribution :

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  17. Rachel, an engineering student, was asked to make a model shaped like ...

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  18. Complete the following reactions: NaHCO3overset(Heat)rarr

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  19. Complete the following reactions: CaClO2+CO2rarr

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  20. You are given two solution A and B having pH 1 and 6. which of these h...

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